Dell Force10 Z9000 - Page 1171

Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.4.2.1 Support for the optional guard keyword was added on the C-Series,
S-Series, and E-Series TeraScale.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 6.4.1.0 Expanded to display port error disable state (EDS) caused by
loopback BPDU inconsistency and Port VLAN ID inconsistency.
Version 6.2.1.1 Introduced.
Usage
Information
The following describes the show spanning-tree pvst command shown in the
Examples below.
Field Description
Interface Name PVST interface.
Instance PVST instance.
Sts Port state: root-inconsistent (INCON Root), forwarding (FWD),
listening (LIS), blocking (BLK), or shut down (EDS Shut).
Guard Type Type of STP guard configured (Root, Loop, or BPDU guard).
Example (Brief)
FTOS#show spanning-tree pvst vlan 3 brief
VLAN 3
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 4096, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 16384, Address 0001.e805.e306
Configured hello time 2, max age 20, forward delay 15
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
----------------------------------------------------------
Gi 1/0 128.130 128 20000 FWD 20000 4096 0001.e801.6aa8
128.426
Gi 1/1 128.131 128 20000 BLK 20000 4096 0001.e801.6aa8
128.427
Gi 1/16 128.146 128 20000 FWD 20000 16384 0001.e805.e306
128.146
Gi 1/17 128.147 128 20000 FWD 20000 16384 0001.e805.e306
128.147
Interface
Name Role PortID Prio Cost Sts Cost Link-type Edge
-----------------------------------------------------
Gi 1/0 Root 128.130 128 20000 FWD 20000 P2P No
Gi 1/1 Altr 128.131 128 20000 BLK 20000 P2P No
Gi 1/16 Desg 128.146 128 20000 FWD 20000 P2P Yes
Gi 1/17 Desg 128.147 128 20000 FWD 20000 P2P Yes
Example
FTOS#show spanning-tree pvst vlan 2
VLAN 2
Root Identifier has priority 4096, Address 0001.e805.e306
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